ABOUT US
OLIVER W. BRAY, ESQ.
Managing Partner
As a Certified Specialist in Estate, Trust and Probate Law, skilled litigator and accomplished mediator, Oliver is able to draw on his extensive interdisciplinary qualifications to provide comprehensive and strategic approaches to his practice of law.
Oliver’s practice concentrates on litigation, particularly cases involving will and trust disputes, trustees and conservatorships. Additionally, he has specialized in representing professional fiduciaries in probate, trust and conservatorship proceedings since 1985. He has served as Administrator and Trustee on several complex estates, and is frequently appointed by the Court as counsel on the complex panel for incompetent and disabled persons.
Oliver is a standing board member of the Contra Costa Bar Association’s Estate Planning and Probate Section.
SPECIALIZED TRAINING:
- Certified Specialist, Estate Planning, Trust & Probate Law – State Bar of California Board of Legal Specialization
- Court-appointed attorney for complex conservatorship & trust matters
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PROFESSIONAL MEMBERSHIPS:
- Co-Chair, Contra Costa County Bar Association, Trusts & Estates Section
- Director, Contra Costa County Bar Association 2007-2011, 2013-2015
- Member, Estate Planning Council of Diablo Valley
- Member, California State Bar Trust and Estates Section

EDUCATION:
- J.D., John F. Kennedy University School of
Law
BAR ADMISSIONS:
- California State Bar
- Northern District of California –
U.S. District Courts
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RECOGNITION:
- Martindale-Hubbell AV Rating
- Super Lawyer, 2006 – present
MONA NIA, ESQ.
Partner
Mona’s practice concentrates on the areas of estate planning, conservatorships, and trust and estate litigation. As a legal intern with the Contra Costa County Probate Department, she gained extensive experience assisting with drafting judicial orders, presenting ex parte petitions in chambers, and assisting the probate examiners with the evaluations of filings with the probate court.
Prior to joining the firm, Mona's past experience included working for law firms in Walnut Creek and San Francisco, focusing on family law litigation and complex estate planning. She is an active member of the Contra Costa County Bar Association Trust and Estates Section and Estate Planning Council of Diablo Valley.
As a graduate of the University of California, Davis, Mona received her bachelor’s degree in Political Science with an emphasis on Political Theory. She went on to earn her J.D. from Golden Gate University, School of Law, obtaining degree specializations in Family Law and Public Interest Law. Mona is currently enrolled in the Master of Laws program specializing in Estate Planning, Trust and Probate Law.
JUDICIAL CLERKSHIP:
Fellowship Research Attorney for Hon. John H. Sugiyama,
Superior Court of Contra Costa County, Probate Department
PROFESSIONAL MEMBERSHIPS:
- Member, California State Bar, Trusts and Estates Section
- Member, Contra Costa County Bar Association, Trusts & Estates Section
- Member, Contra Costa County Bar Association, Barristers Sections
- Member, Contra Costa County Bar Association, Women's Section
- Member, Estate Planning Council of Diablo Valley
​- Member, Robert G. McGrath Inn of Court

EDUCATION:
- LL.M., Estate Planning, Trust, & Probate Law
Golden Gate University, School of Law (pending)
- J.D., Golden Gate University, School of Law
- B.A., in Political Science,
University of California, Davis
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BAR ADMISSION:
California State Bar
WENDY L. KOERBER
Legal Assistant
Wendy has been a legal assistant with this office since 1983. She specializes in drafting estate planning documents, including Trusts, Wills, Powers of Attorney, Advance Health Care Directives, deeds and all change in ownership forms. Wendy assists in the preparation of all probate, conservatorship and guardianship Judicial Council forms, and drafts reports to the court for accounting requirements and orders thereon.
Wendy was born in London England, grew up in Martinez, California and has raised her family here.
SPECIALIZED TRAINING:
Notary Public
PROFESSIONAL MEMBERSHIPS:
Secretary, Contra Costa County Legal Professionals Association





